Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Plural attached fasteners
Patent
1989-04-26
1990-06-12
Smith, Gary L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Plural attached fasteners
411441, 411443, 206347, F16B 1508
Patent
active
049328212
ABSTRACT:
A nail retaining strip for feeding nails into a fastening element driving tool where the nails are driven individually out of the tool by a drive piston includes guide bushings for the nails. Adjacent guide bushings are separably interconnected by connecting webs. The guide bushing extends in the axial direction of the nail shank and has axially and circumferentially extending circular guide surfaces for supporting the nails within the muzzle bore of the driving tool. The connecting webs extend radially outwardly from the guide surfaces so that the guide surfaces on adjacent guide bushings are in spaced relation. The connecting webs retain the nails in the axial direction of the muzzle bore by engagement in a receiving recess in the bore located opposite a passage through which the nails are inserted into the bore. Such axial retention permits complete utilization of the nail strip down to and including the last nail.
REFERENCES:
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patent: 3491933 (1970-01-01), Thurner et al.
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patent: 4606455 (1986-08-01), Griskis et al.
Steffen Markus
von Flue Peter
Hilti Aktiengesellschaft
Saether F.
Smith Gary L.
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